Kestrel 1000 Wind Meter Anemometer

Features: Current Wind Speed Average Wind Speed Maximum Wind Gust One-button clear and restart of Max Wind Gust and Average Wind measurement Waterproof & Floats Hold Function User-replaceable Impeller Slip-On Protective Cover Neck Lanyard Five-year warranty from the manufacturer SPECIFICATIONS Wind Speed ( sample every 1 second) 0.4 to 40 m/ s ( 0.1 resolution, 3% accuracy) 59 to 7, 877 ft/ min ( 1 resolution, 3% accuracy) 1.0 to 144 km/ h ( 0.1 resolution, 3% accuracy) 0.8 to 89 mph ( 1 resolution, 3% accuracy) 0.6 to 78 kt ( 0.1 resolution, 3% accuracy) 0 to 12 Beaufort ( 0.1 resolution, 3% accuracy) Power requirements: 1 CR2032 Coin Cell ( included) Battery life: ± 300 hours, depending on backlight use Dimensions: Unit: 4.8" x 1.7" x 0.7" ( 122mm x 42mm x 18mm) Case: 4.8" x 1.9" x 1.1" ( 122mm x 48mm x 28mm)